washed coal 洗煤 ; 洗净煤 ; 洗精煤
rate of washed coal 精煤比例
Washed coal slurry pump 洗选煤渣浆泵
ultra-difficulty washed coal 极难选煤
moisture content of washed coal 精煤水分含量
washed lump coal 水洗块煤
coal washed 已洗煤
washed pea coal 洗粒煤
The coal it produces is mostly poor in quality and rich in ash; it should be washed before shipping to make it more efficient, but is not.
它所产的煤炭大部分质量差而灰尘多；要想提高这些煤炭的效率，在装运之前应该要清洗但它们并没有被清洗过。
After the rain stops, mines needed to be drained, overburden stripped and coal washed and railed to port and then blended before it could be shipped.
雨停之后，矿井中的积水需要排干，煤炭需要剥离、清洗，然后送到港口混合，最后才能装船。
Other pollutants, after all, are essentially impurities, which can be washed from the coal or filtered out of the flue gas.
毕竟那些可以从煤炭中或烟道气体中滤除的其他污染物质本身就是杂质。
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